/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.edu.thu.laud.objectstore.fieldmanager;

import org.apache.cassandra.thrift.Cassandra;
import org.datanucleus.ObjectManager;
import cn.edu.thu.laud.objectstore.CassandraConsistency;
import cn.edu.thu.laud.objectstore.CassandraManagedConnection;
import cn.edu.thu.laud.objectstore.CassandraStoreManager;
import cn.edu.thu.laud.objectstore.index.BatchMutation;

/**
 * Holds all mutations for the current execution context
 * 
 * @author zhuoan
 * 
 */
public class ObjectManagerWrite extends ObjectManagerMutate {

	public ObjectManagerWrite(ObjectManager om, BatchMutation mutator) {
		super(om, mutator);
	}

	
	public void execute() throws Exception {
		CassandraManagedConnection mcon = (CassandraManagedConnection)om.getStoreManager().getConnection(om);
		Cassandra.Client client = (Cassandra.Client)mcon.getConnection();
		client.set_keyspace(((CassandraStoreManager)om.getStoreManager()).getConnectionInfo().getKeyspace());
		client.batch_mutate(mutator.getMutationMap(), CassandraConsistency.get());
	}


}
